Improvement in nut-locks



l. C. WRIGHT.

Nut-Lock.

10.167,967, Patented Sept.21.1875.

N PETERS` PHOTO-LITHOGEAPHER. wASHlNGToN, D C,

UNITED STATES PATENT EFIoE.

JOSEPH C. WRIGHT, OF MONOOAOY FUENAOE, ASSIGNOR OF ONE-HALF HIS RIGHT TOJOHN BAROLAY HACKER IMPROVEMENT IN NUT-LOCKS.

Specification forming part of Letters Patent N o. 167,967, datedSeptember 21, 1875; application filed May 14 To all whom it may concern:

Be it known that I, JosEPH G. WRIGHT, of Monocacy Furnace, in the countyof Berks and State of Pennsylvania` have invented an Improvement inNut-Locks, of which the following is a specification My inventionconsists of the combination, with a Washer and holt-nut, ot' a spring,which partly surrounds the nut, and is provided with a ratchet on itsinner curved surface, which engages With a corne-r or side ot the nutwhen the latter is screwed up to its place. TheI spring is ree to turnon a pivot, to disconnect the ratchet from the nut for tightening thesaine. The free end of the spring has a hook which engages With a pinfor holding the ratchet in connection With the nut.

In the accompanying drawings, Figure l is a plan View of nly improvednut-lock. Fig. 2 is an edge view of the Washer B and spring D, providedwith the ratchet E.

Like letters of reference in both figures indicate the saine parts.

A is the Washer, B a bolt, C a nut,`and D a spring, provided with aratchet, E, which partly encircles the nut. The spring is connected atone end with the pivot F, upon which it turns freely for disengaging theratchet from the nut for screwing up the latter. The other end of thespring has a hook, a, which is connected with the pin b tliat projectsfroni the face of the Washer when the ratchet is connected with the nutto hold it securely therewith. The washer has a scale, G, to either lineof which one corner ot' the nut is placed for an easy connection of theratchet E. When the nut is to be tightened the ratchet is very quicklydisengaged from it by disconnecting` the hook a ot' the spring D fromthe pin b. And the sanne may be very quickly re-engaged with the nut hybringing the spring into its former connection. Instead of making theratchet and spiing in a single piece, they may be made separately andriveted together.

I claim as my invention- The encircling spring D, provided with theratchet E, in combination with the Washer A and nut O, substantially asand for the purpose set forth.

JOSEPH C. WRIGHT. Witnesses:

THoMAs J. BEWLEY, STEPHEN UsTIoK.

, OF PHILADELPHIA, PENN SYLVA'

